This used Remington 700 M40A3 rifle fires the .308 round. It has a 26" Shilen heavy barrel with a 1 in 10 twist, that is threaded at 5/8x24. This bolt action rifle has a McMillan A3 camo stock, Harris bipod, Mkx trigger that is set to 3.5 lbs., and a Leupold Mark 4 LR/T scope. This Leupold scope is the Mark 4 4.5-14x40mm, along with Leupold Mark 4 rings and bases. This tactical rifle holds 4 rounds and is in excellent shape, having only been fired 210 rds.